use go 1.14, upgrade kube-test-harness, upgrade golang ext packages

go.mod

@@ -1,29 +1,26 @@
 module github.com/weaveworks/wksctl
 
-go 1.13
+go 1.14
 
 require (
-	github.com/bitnami-labs/sealed-secrets v0.12.1
+	github.com/bitnami-labs/sealed-secrets v0.12.4
 	github.com/blang/semver v3.5.1+incompatible
 	github.com/cavaliercoder/go-rpm v0.0.0-20200122174316-8cb9fd9c31a8
 	github.com/chanwit/plandiff v1.0.0
-	github.com/dlespiau/kube-test-harness v0.0.0-20190930170435-ec3f93e1a754
+	github.com/dlespiau/kube-test-harness v0.0.0-20200706152414-7c811932d687
 	github.com/fatih/structs v1.1.0
 	github.com/ghodss/yaml v1.0.0
 	github.com/go-logr/zapr v0.1.1 // indirect
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
-	github.com/golang/protobuf v1.4.0 // indirect
 	github.com/google/go-jsonnet v0.16.0
 	github.com/googleapis/gnostic v0.4.1 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.1 // indirect
-	github.com/hashicorp/golang-lru v0.5.4 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/oleiade/reflections v1.0.0 // indirect
 	github.com/pelletier/go-toml v1.8.0
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.5.1 // indirect
-	github.com/prometheus/procfs v0.0.11 // indirect
 	github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749 // indirect
 	github.com/shurcooL/vfsgen v0.0.0-20200627165143-92b8a710ab6c
 	github.com/sirupsen/logrus v1.6.0
@@ -35,10 +32,9 @@ require (
 	github.com/weaveworks/go-checkpoint v0.0.0-20170503165305-ebbb8b0518ab
 	github.com/weaveworks/launcher v0.0.0-20180824102238-59a4fcc32c9c
 	github.com/whilp/git-urls v0.0.0-20191001220047-6db9661140c0
-	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
-	golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e // indirect
-	golang.org/x/sys v0.0.0-20200413165638-669c56c373c4 // indirect
-	golang.org/x/tools v0.0.0-20200502202811-ed308ab3e770 // indirect
+	golang.org/x/crypto v0.0.0-20200707235045-ab33eee955e0
+	golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae // indirect
+	golang.org/x/tools v0.0.0-20200708003708-134513de8882 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.1.0 // indirect
 	google.golang.org/appengine v1.6.5 // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
@@ -58,7 +54,6 @@ require (
 
 replace (
 	github.com/appscode/jsonpatch => gomodules.xyz/jsonpatch/v2 v2.0.0+incompatible
-	github.com/dlespiau/kube-test-harness => github.com/luxas/kube-test-harness v0.0.1
 	github.com/googleapis/gnostic => github.com/googleapis/gnostic v0.3.0
 	k8s.io/api => k8s.io/api v0.18.5
 	k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.18.5